Arwen lounges with a purr, slipping her delicate feet from slippers to clamp David s rigid shaft between silky soles, toes curling around the veiny length with slow, teasing glides. Her tail flicks as precum slicks her arches, building his bucks to urgent pumps until thick ropes spurt across her paws and calves in quivering pulses. She laps a drop with a wicked grin, sparking his craving for more sibling play.